• Today

    Dec 18

    59°Lo 53°

    Cloudy most of the time

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
  • Fri

    Dec 19

    60°Lo 50°

    Periods of rain

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Sat

    Dec 20

    59°Lo 51°

    Mostly cloudy

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Sun

    Dec 21

    62°Lo 52°

    Clouds and limited sun

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Mon

    Dec 22

    62°Lo 50°

    Mostly sunny

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Thu
3pm
4pm 5pm 6pm 7pm 8pm 9pm 10pm
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Forecast
Partly Cloudy
Partly Cloudy
Cloudy
Mostly Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 59° 58° 57° 56° 55° 55° 55° 55°
RealFeel® 57° 55° 53° 52° 52° 51° 51° 50°
Humidity 71% 74% 78% 81% 83% 84% 84% 85%
   
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Rain
 
0%
 
0%
 
0%
 
0%
 
5%
 
5%
 
6%
 
7%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  3pm 4pm 5pm 6pm 7pm 8pm 9pm 10pm
Wind (mph) 6 SE 7 SE 7 SSE 7 SSE 7 S 7 SSE 8 SSE 8 SSE
UV Index 1 0 0 0 0 0 0 0
Cloud Cover 70% 65% 69% 80% 90% 93% 91% 90%
Dew Point 50° 50° 50° 50° 50° 50° 51° 51°
Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - Dec 18

more Historical Weather Data >
  Today Normal Record 12/18/2013
High 59° 57° 68° (1910) 56°
Low 53° 46° 36° (1924) 48°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:20 AM with 9:33 of sunlight, then sets at 4:53 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:42 AM with 10:52 of moolight, then sets at 2:34 PM

San Francisco Weather Report

San Francisco: Dry Weather Ahead for the Weekend

December 18, 2014; 12:34 PM ET

Conditions will turn dry for San Francisco this weekend and last into next week. more >

The 540 Snow Line

Dec 20, 2012; 5:00 AM ET The 540 line is often used by meteorologists to determine the chances of rain vs. snow.

48 Hour Precipitation Forecast

Thu. Snow Day Potential